CN110398093B - Expansion valve and air-supplying enthalpy-increasing system - Google Patents
Expansion valve and air-supplying enthalpy-increasing system Download PDFInfo
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- CN110398093B CN110398093B CN201810371613.4A CN201810371613A CN110398093B CN 110398093 B CN110398093 B CN 110398093B CN 201810371613 A CN201810371613 A CN 201810371613A CN 110398093 B CN110398093 B CN 110398093B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses an expansion valve, which belongs to the technical field of expansion valves and can simplify the structure of an air-supplementing and enthalpy-increasing system. The invention also discloses an air-supplying and enthalpy-increasing system adopting the expansion valve.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of expansion valves, in particular to an expansion valve and an air-supplying enthalpy-increasing system.
[ background of the invention ]
The expansion valve in the prior art comprises a valve body and a valve core assembly, wherein an inlet, a first outlet and a throttling hole communicated with the inlet and the first outlet are formed in the valve body, and the valve core assembly is used for adjusting the opening degree of the throttling hole so as to adjust the flow area between the inlet and the first outlet, so that the purpose of adjusting the flow rate of a refrigerant is achieved. In the vapor-supplementing and enthalpy-increasing system, the plate heat exchanger is provided with two heat exchange channels, a three-way pipe is required to be connected at the outlet of the one-way valve group, two outlets of the three-way pipe are respectively connected with the two heat exchange channels through two pipelines, an expansion valve is arranged on one pipeline, an expansion valve is not required to be arranged on the other pipeline, and an expansion valve is arranged behind the heat exchange channel communicated with the pipeline for throttling and pressure reduction. The structure has the defects that pipelines between the check valve group and the plate heat exchanger are complex and have a plurality of connecting points, and the reliability of the system is adversely affected.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide an expansion valve which can simplify the structure of a gas-supplementing enthalpy-increasing system.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an expansion valve, includes the valve body, be equipped with import, first export and intercommunication on the valve body the orifice of import and first export, the expansion valve is still including being used for adjusting the case subassembly of orifice aperture, still be equipped with inclined hole and second export on the valve body, the second export with first export homonymy sets up, the import with the second export is established the relative both sides of valve body, the inclined hole intercommunication the import with the second export.
Further, the axis of the inlet, the axis of the inclined hole and the axis of the second outlet are all located on the same plane.
Further, the aperture of the inclined hole is smaller than the aperture of the inlet and the aperture of the second outlet.
Furthermore, the expansion valve is a thermostatic expansion valve, the valve core assembly comprises a valve core, a valve rod and a reset assembly, the valve rod drives the valve core to move so as to increase the opening degree of the throttling hole, and the reset assembly drives the valve core to move reversely so as to reduce the opening degree of the throttling hole.
Furthermore, the thermostatic expansion valve further comprises an electromagnetic valve arranged on the valve body, a valve cavity communicated with the throttling hole is arranged on the valve body, the valve cavity is provided with a valve port communicated with the first outlet, and the electromagnetic valve comprises an electromagnetic valve core used for opening and closing the valve port.
Furthermore, the expansion valve is an electronic expansion valve, the valve core assembly comprises an electromagnetic driving part and a valve needle, and the electromagnetic driving part drives the valve needle to move so as to adjust the opening degree of the throttling hole.
The invention also discloses an air-supplying and enthalpy-increasing system which comprises a compressor, a one-way valve bank, a plate heat exchanger, a first expansion valve and a second expansion valve, wherein the plate heat exchanger is provided with a first heat exchange channel and a second heat exchange channel.
The invention has the beneficial effects that:
the expansion valve is provided with an inlet, a first outlet and a second outlet, the inlet is communicated with the first outlet through the throttling hole, and the inlet is communicated with the second outlet through the inclined hole, so that the expansion valve can realize the effect similar to a three-way pipe, namely, the inlet of the expansion valve can be directly connected with the one-way valve group, and the two outlets are respectively connected with two heat exchange channels of the plate heat exchanger through two pipelines, so that the three-way pipe and the pipeline connected between the three-way pipe and the one-way valve group are omitted, and the structure of the air-supplementing and enthalpy-increasing system is simplified; in addition, the communication between the inlet and the second outlet can be realized by processing one inclined hole, the inclined hole can reduce the pressure loss of a refrigerant passing through the hole, the processing of the valve body bypass hole can be completed by only one-time clamping during processing, and meanwhile, the inclined hole can also reduce the risk of external leakage, reduce the number of parts and reduce the cost.
The axis of the inlet, the axis of the inclined hole and the axis of the second outlet are all located on the same plane. By the design, the refrigerant can flow conveniently, and positioning and drilling processing of the inclined hole can be facilitated.
The first outlet and the second outlet are disposed on the same side of the valve body. By the design, the pipeline connected with the first outlet and the second outlet can be fixed on the valve body through the fixing plate, so that the structure of the fixing plate is simplified; meanwhile, the two outlets are arranged at the same side, so that the distance between the two pipelines can be shortened, the space occupied by the connecting pipeline between the check valve group and the plate heat exchanger is reduced, and the layout of the whole air-supply enthalpy-increasing system is more economical and compact.
The aperture of the inclined hole is smaller than the aperture of the inlet and the aperture of the second outlet. By the design, the refrigerant can flow out from the first outlet and the second outlet in two paths, the refrigerant is prevented from flowing out from the second outlet, and the flowing performance of the refrigerant in the bypass passage can be improved.
The thermostatic expansion valve also comprises an electromagnetic valve arranged on the valve body, the valve body is provided with a valve cavity communicated with the throttling hole, the valve cavity is provided with a valve port communicated with the first outlet, and the electromagnetic valve comprises an electromagnetic valve core for opening and closing the valve port. By the design, when the valve core cannot close the throttling hole under the normal working condition, the electromagnetic valve core can close the communication between the first outlet and the inlet by closing the valve port, and the cut-off function is realized.
The utility model provides an enthalpy system is increased in tonifying qi, includes compressor, check valve group, plate heat exchanger, first expansion valve and second expansion valve, plate heat exchanger has first heat transfer passageway and second heat transfer passageway, first expansion valve adopts above-mentioned arbitrary scheme the expansion valve, the check valve group with the access connection of expansion valve, the first export of expansion valve with the access connection of first heat transfer passageway, the export of first heat transfer passageway with the compressor is connected, the second export of expansion valve with the access connection of second heat transfer passageway, the export of second heat transfer passageway with the access connection of second expansion valve, the export of second expansion valve with the first access connection of check valve group. By adopting the expansion valve, a three-way pipe and a pipeline connected between the three-way pipe and the check valve group can be omitted, and the structure of the air-supplying enthalpy-increasing system is simplified.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a side view of a thermostatic expansion valve according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a side view of a thermal expansion valve according to a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of C-C of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional view of D-D of FIG. 5 in accordance with the present invention;
fig. 7 is a first side view of an electronic expansion valve according to a third embodiment of the present invention;
fig. 8 is a partial sectional view of an electronic expansion valve according to a third embodiment of the present invention;
fig. 9 is a second side view of an electronic expansion valve in a third embodiment of the present invention;
FIG. 10 is a cross-sectional view of E-E of FIG. 9;
FIG. 11 is a schematic view of the vapor-filling enthalpy-increasing system according to the present invention in a heating mode;
FIG. 12 is a schematic view of the vapor-filling enthalpy-increasing system according to the present invention in a cooling mode.
[ detailed description ] embodiments
The invention discloses an expansion valve, which comprises a valve body, wherein the valve body is provided with an inlet, a first outlet and an orifice communicated with the inlet and the first outlet, the expansion valve also comprises a valve core assembly used for adjusting the opening degree of the orifice, the valve body is also provided with an inclined hole and a second outlet, the inlet and the second outlet are arranged on two opposite sides of the valve body, and the inclined hole is communicated with the inlet and the second outlet. The inlet and the first outlet are communicated through the throttling hole, and the inlet and the second outlet are communicated through the inclined hole, so that the expansion valve can realize the function similar to a three-way pipe, namely the inlet of the expansion valve can be directly connected with the one-way valve group, and the two outlets are respectively connected with the two heat exchange channels of the plate heat exchanger through two pipelines, so that the three-way pipe and the pipeline connected between the three-way pipe and the one-way valve group are omitted, and the structure of the air-supplying and enthalpy-increasing system is simplified; in addition, the communication between the inlet and the second outlet can be realized by processing one inclined hole, the inclined hole can reduce the pressure loss of a refrigerant passing through the hole, the processing of the valve body bypass hole can be completed by only one-time clamping during processing, and meanwhile, the inclined hole can also reduce the risk of external leakage, reduce the number of parts and reduce the cost.
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
The first embodiment,
As shown in fig. 1 to 3, the expansion valve in this embodiment is a thermal expansion valve, and includes a valve body 1 and a valve core assembly, an inlet 11, a first outlet 12, a throttle hole 13, and a throttle chamber 14 are provided on the valve body 1, the throttle chamber 14 is communicated with the inlet 11, the first outlet 12 and the inlet 11 are provided on two opposite sides of the valve body 1, and the throttle chamber 14 is communicated with the first outlet 12 through the throttle hole 13. The valve core assembly comprises a driving piece, a valve rod 21, a valve core 22 and a reset assembly, the reset assembly comprises a valve core seat 23, an installation seat 24 and a reset spring 25, the reset spring 25 is arranged between the valve core seat 23 and the installation seat 24, the driving piece drives the valve rod 21 to push the valve core 22 to move downwards and compress the reset spring 25, the throttle hole 13 is opened, the inlet 11 is communicated with the first outlet 12 at the moment, after the driving force of the driving piece is reduced, the reset spring 25 pushes the valve core 22 upwards to move to close the throttle hole 13, so that the communication area between the inlet 11 and the first outlet 12 is reduced, therefore, the opening degree of the throttle hole 13 is adjusted through the valve core assembly, and the refrigerant flow is adjusted.
The valve body 1 of the invention is also provided with a second outlet 15 and an inclined hole 16, the second outlet 15 and the inlet 11 are arranged at two opposite sides of the valve body 1, the second outlet 15 and the first outlet 12 are arranged at the same side surface of the valve body 1, and the inclined hole 16 is communicated with the inlet 11 and the second outlet 15 to form a bypass path. The aperture of the inclined hole 16 is smaller than the aperture of the inlet 11 and the aperture of the second outlet 15, so that the refrigerant can flow out from the first outlet 12 and the second outlet 15 in two paths, the refrigerant is prevented from flowing out from the second outlet 15 completely, and the flowing performance of the refrigerant in a bypass passage can be improved.
Therefore, the thermostatic expansion valve can realize the function similar to a three-way pipe, namely the inlet 11 of the expansion valve can be directly connected with the one-way valve group, and the two outlets are respectively connected with the two heat exchange channels of the plate heat exchanger through two pipelines, so that the three-way pipe and the pipeline connected between the three-way pipe and the one-way valve group are omitted, and the structure of the air-supplying and enthalpy-increasing system is simplified; meanwhile, because the two outlets are arranged on the same side, the pipeline connected with the first outlet 12 and the second outlet 15 can be fixed on the valve body 1 through a fixing plate, so that the structure of the fixing plate is simplified, the distance between the two pipelines can be shortened, the space occupied by the connecting pipeline between the check valve group and the plate heat exchanger is reduced, and the layout of the whole air-supply enthalpy-increasing system is more compact; finally, the communication between the inlet 11 and the second outlet 15 can be realized by processing one inclined hole 16, the inclined hole 16 can reduce the pressure loss of a refrigerant passing through the hole, the processing of the valve body bypass hole can be completed by only one clamping during processing, and meanwhile, the inclined hole 16 can also reduce the risk of external leakage, reduce the number of parts and reduce the cost.
In order to increase the fluidity of the refrigerant, the axes of the inlet, the inclined hole and the second outlet are all located on the same plane, so that the refrigerant can flow conveniently, and the inclined hole 16 can be positioned and machined conveniently.
It can be understood that: when the valve body is small in size or needs to meet specific machining requirements, the axis of the inlet, the axis of the inclined hole and the axis of the second outlet can be located on different planes, and the basic effect of the embodiment can be achieved due to the design.
Example II,
As shown in fig. 4 to 6, the thermostatic expansion valve in this embodiment further includes an electromagnetic valve 4 mounted on the valve body 1, the valve body 1 is provided with a valve cavity 18 communicated with the throttle hole 13, the valve cavity 18 has a valve port 181 communicated with the first outlet 12, the electromagnetic valve includes an electromagnetic valve core 41 mounted in the valve cavity 18, an electromagnetic driving element and a return spring, when the electromagnetic driving element drives the electromagnetic valve core 41 to move toward the valve port 181 and close the valve port 181, the throttle hole 13 is not communicated with the first outlet 12, and after the return spring drives the electromagnetic valve core 41 to move in a reverse direction and return, the valve port 181 is opened, and at this time, the inlet 11 is communicated with the first outlet 12. By designing the solenoid valve, when the valve core 22 cannot close the throttle hole 13 under normal working conditions, the solenoid valve core can close the communication between the first outlet 12 and the inlet 11 by closing the valve port 181, so that a cut-off function is realized.
Example III,
As shown in fig. 7 to 10, the expansion valve in this embodiment is an electronic expansion valve, which includes a valve body 1 and a valve core assembly, the valve body 1 is provided with an inlet 11, a first outlet 12 and a throttle hole 13, the valve body 1 includes a body and a valve sleeve which are formed separately, the inlet 11 and the first outlet 12 are provided on the body, a valve cavity is provided in the body, the valve sleeve is installed in the valve cavity, the throttle hole 13 is an axial through hole provided at the bottom of the valve sleeve, a radial through hole for communicating the first outlet 12 with the throttle hole 13 is provided on the valve sleeve, a bottom opening of the throttle hole 13 is communicated with the inlet 11, the valve core assembly includes an electromagnetic driving element 51 and a valve needle 52, the valve needle 52 is slidably installed in the valve sleeve and reciprocates along the axial direction of the valve sleeve under the driving of the electromagnetic driving element 51 to adjust the opening degree of the top opening of the throttle hole 13, when the electromagnetic driving element 51 drives the valve needle 52 to move axially downward, the opening degree of the top opening of the throttle hole 13 is reduced, the flow area between the inlet 11 and the first outlet 12 decreases; when the electromagnetic driver 51 drives the valve needle 52 to move axially upward, the opening degree of the top opening of the orifice 13 increases, and the flow area between the inlet 11 and the first outlet 12 increases.
The valve body 1 of the invention is also provided with a second outlet 15 and an inclined hole 16, the second outlet 15 and the inlet 11 are arranged at two opposite sides of the valve body 1, the second outlet 15 and the first outlet 12 are arranged at the same side surface of the valve body 1, the axis of the second outlet 15 and the axis of the inlet 11 are arranged in a staggered way, and the inclined hole 16 is communicated with the inlet 11 and the second outlet 15 to form a bypass path. The aperture of the inclined hole 16 is smaller than the aperture of the inlet 11 and the aperture of the second outlet 15, so that the refrigerant can flow out from the first outlet 12 and the second outlet 15 in two paths, the refrigerant is prevented from flowing out from the second outlet 15 completely, and the flowing performance of the refrigerant in a bypass passage can be improved.
Therefore, the electronic expansion valve can realize the function similar to a three-way pipe, namely the inlet 11 of the electronic expansion valve can be directly connected with the one-way valve group, and the two outlets are respectively connected with the two heat exchange channels of the plate heat exchanger through two pipelines, so that the three-way pipe and the pipeline connected between the three-way pipe and the one-way valve group are omitted, and the structure of the air-supplying and enthalpy-increasing system is simplified; meanwhile, because the two outlets are arranged on the same side, the pipeline connected with the first outlet 12 and the second outlet 15 can be fixed on the valve body 1 through a fixing plate, so that the structure of the fixing plate is simplified, the distance between the two pipelines can be shortened, the space occupied by the connecting pipeline between the check valve group and the plate heat exchanger is reduced, and the layout of the whole air-supply enthalpy-increasing system is more compact; finally, the communication between the inlet 11 and the second outlet 15 can be realized by processing one inclined hole 16, the inclined hole 16 can reduce the pressure loss of a refrigerant passing through the hole, the processing of the valve body bypass hole can be completed by only one clamping during processing, and meanwhile, the inclined hole 16 can also reduce the risk of external leakage, reduce the number of parts and reduce the cost.
In order to increase the fluidity of the refrigerant, the axes of the inlet, the inclined hole and the second outlet are all located on the same plane, so that the refrigerant can flow conveniently, and the inclined hole 16 can be positioned and machined conveniently.
It can be understood that: when the valve body is small in size or needs to meet specific machining requirements, the axis of the inlet, the axis of the inclined hole and the axis of the second outlet can be located on different planes, and the basic effect of the embodiment can be achieved due to the design.
Example four,
As shown in fig. 11, the invention also discloses an air-supplying and enthalpy-increasing system, which comprises a compressor 01, a gas-liquid separator 02, a four-way valve 03, an outdoor heat exchanger 04, a check valve group 05, a first expansion valve 06, a plate heat exchanger 07, a second expansion valve 08, a check valve 09 and an indoor heat exchanger 010. Wherein the first expansion valve 06 is the expansion valve described in any one of the first to third embodiments. The plate heat exchanger 07 is provided with a first heat exchange channel and a second heat exchange channel, a first outlet 12 of the first expansion valve 06 is connected with an inlet 074 of the first heat exchange channel, an outlet 072 of the first heat exchange channel is connected with the compressor 01, a second outlet 15 of the first expansion valve 06 is connected with an inlet 071 of the second heat exchange channel, an outlet 073 of the second heat exchange channel is connected with an inlet of the second expansion valve 08, and an outlet of the second expansion valve is connected with a first inlet 054 of the one-way valve group 05.
The air-supplying enthalpy-increasing system in fig. 11 is in a heating mode, at this time, a high-temperature and high-pressure refrigerant compressed by the compressor 01 flows to the indoor heat exchanger 010 through the four-way valve 03 and then reaches the check valve group 05, at this time, a port 051 of the check valve group 05 can be led to a port 052, the port 052 cannot be communicated with a port 053, and the port 051 cannot be communicated with a port 054, a refrigerant flowing out of the port 052 of the check valve group directly flows to the first expansion valve 06, and a part of the refrigerant is throttled and reduced in pressure by the throttling hole 13 and then flows into the first heat exchange channel of the plate heat exchanger 07 from the first outlet 12, and then returns to the compressor 01 through the check valve 09; the other part of the refrigerant flows into the second heat exchange channel of the plate heat exchanger 07 from the second outlet 15, is throttled and depressurized by the second expansion valve 08, flows from the first inlet 054 of the check valve group 05 to the port 053, then flows to the outdoor heat exchanger 04, and returns to the compressor 01 through the four-way valve 03 and the gas-liquid separator 02.
Fig. 12 is a schematic structural diagram of the air-supply enthalpy-increasing system in the refrigeration mode after reversing through the four-way valve 03, at this time, the refrigerant flows from the outlet of the compressor 01 to the outdoor heat exchanger 04 through the four-way valve 03, then flows from the port 053 of the check valve group 05 to the port 052, the refrigerant flowing out of the port 052 of the check valve group 05 enters the first expansion valve 06, and a part of the refrigerant is throttled and depressurized by the throttling hole 13, flows into the first heat exchange channel of the plate heat exchanger 07 from the first outlet 12, and returns to the compressor 01 through the check valve 09; the other part of the refrigerant flows into the second heat exchange channel of the plate heat exchanger 07 from the second outlet 15, is throttled and decompressed by the second expansion valve 08, flows from the first inlet 054 of the check valve group 05 to the port 051, flows to the indoor heat exchanger 010, and returns to the compressor 01 through the four-way valve 03 and the gas-liquid separator 02.
Therefore, by adopting the expansion valve, a three-way pipe and a pipeline connected between the three-way pipe and the check valve group 05 can be omitted, the structure of the air-supplying and enthalpy-increasing system is simplified, meanwhile, the two pipelines can be directly connected to two outlets of the expansion valve and arranged at the same side of the two outlets, so that the distance between the two pipelines can be shortened, the space occupied by the connecting pipeline between the check valve group and the plate heat exchanger is reduced, and the layout of the whole air-supplying and enthalpy-increasing system is more compact.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. An expansion valve comprises a valve body, wherein the valve body is provided with an inlet, a first outlet and a throttling hole communicated with the inlet and the first outlet, and the expansion valve further comprises a valve core assembly used for adjusting the opening degree of the throttling hole;
and the axis of the inlet, the axis of the inclined hole and the axis of the second outlet are all located on the same plane.
2. An expansion valve according to claim 1, wherein the first outlet and the second outlet are provided on the same side of the valve body.
3. An expansion valve according to claim 1, wherein the bore diameter of the slanted hole is smaller than the bore diameter of the inlet and the bore diameter of the second outlet.
4. An expansion valve according to any of claims 1 to 3, wherein the expansion valve is a thermostatic expansion valve, the valve element assembly comprises a valve element, a valve rod and a reset assembly, the valve rod drives the valve element to move so as to increase the opening degree of the orifice, and the reset assembly drives the valve element to move in reverse so as to decrease the opening degree of the orifice.
5. The expansion valve of claim 4, further comprising a solenoid valve mounted on the valve body, wherein the valve body is provided with a valve chamber communicating with the orifice, the valve chamber having a valve port communicating with the first outlet, and the solenoid valve comprises a solenoid valve spool for opening and closing the valve port.
6. An expansion valve according to any of claims 1 to 3, wherein the expansion valve is an electronic expansion valve, and the valve core assembly comprises an electromagnetic actuator and a valve needle, and the electromagnetic actuator drives the valve needle to move so as to adjust the opening degree of the orifice.
7. An enthalpy system is increased in tonifying qi, including compressor, check valve group, plate heat exchanger, first expansion valve and second expansion valve, plate heat exchanger has first heat transfer passageway and second heat transfer passageway, its characterized in that, first expansion valve adopts the expansion valve of any one of claims 1 to 6, the check valve group with the access connection of expansion valve, the first export of expansion valve with the access connection of first heat transfer passageway, the export of first heat transfer passageway with the compressor is connected, the second export of expansion valve with the access connection of second heat transfer passageway, the export of second heat transfer passageway with the access connection of second expansion valve, the export of second expansion valve with the first access connection of check valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371613.4A CN110398093B (en) | 2018-04-24 | 2018-04-24 | Expansion valve and air-supplying enthalpy-increasing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810371613.4A CN110398093B (en) | 2018-04-24 | 2018-04-24 | Expansion valve and air-supplying enthalpy-increasing system |
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| CN110398093A CN110398093A (en) | 2019-11-01 |
| CN110398093B true CN110398093B (en) | 2021-09-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074736A (en) * | 2006-05-19 | 2007-11-21 | 浙江三花制冷集团有限公司 | Thermodynamic expansion valve |
| CN202382470U (en) * | 2011-12-19 | 2012-08-15 | 无锡同方人工环境有限公司 | R32 air-cooled water chiller heat pump unit with EVI (enhanced vapor injection) compressor |
| CN103185426A (en) * | 2012-12-18 | 2013-07-03 | 雷宜东 | Three-way electronic expansion valve |
| CN107676506A (en) * | 2017-10-30 | 2018-02-09 | 圣邦集团有限公司 | A kind of restriction adjustable type three-way flowrate valve |
-
2018
- 2018-04-24 CN CN201810371613.4A patent/CN110398093B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074736A (en) * | 2006-05-19 | 2007-11-21 | 浙江三花制冷集团有限公司 | Thermodynamic expansion valve |
| CN202382470U (en) * | 2011-12-19 | 2012-08-15 | 无锡同方人工环境有限公司 | R32 air-cooled water chiller heat pump unit with EVI (enhanced vapor injection) compressor |
| CN103185426A (en) * | 2012-12-18 | 2013-07-03 | 雷宜东 | Three-way electronic expansion valve |
| CN107676506A (en) * | 2017-10-30 | 2018-02-09 | 圣邦集团有限公司 | A kind of restriction adjustable type three-way flowrate valve |
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| CN110398093A (en) | 2019-11-01 |
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